The violet is permanent, and by boiling with soap, passes into rose color. The madder-red colors are less susceptible of alteration by acids the more they have been brightened by soap and the ...

Either ol the last may be used for red dyes ; but the crop gives the most beautiful color. Madder roots are imported from Smyrna tc England, called Palestine madder, which are ground in London.

When painters before the late nineteenth century wanted a deep, rich red, they generally reached ... equally be made from the root of the madder plant or cochineal extracted from insects in ...

In some areas, the plant is known as woodruff or madder. It grows throughout Europe ... heavily guarded due to their impressive, bold hue. Red is a color of dominance and aggression, making ...